<template>
  <div class="app-container">

    <!-- 这是头部header部分 -->
    <mt-header fixed title="黑马前端10期">
		<span slot="left" @click="goBack" v-show="flag">
			<mt-button icon="back">返回</mt-button>
		</span>
	</mt-header>
    <!-- 这是中间main部分 -->
		<transition>
			<router-view></router-view>
		</transition>
		

		
    <!-- 这是底部footer部分 -->
    <nav class="mui-bar mui-bar-tab">
			<router-link class="mui-tab-item1" to="/home">
				<span class="mui-icon mui-icon-home"></span>
				<span class="mui-tab-label">首页</span>
			</router-link>
			<router-link class="mui-tab-item1" to="/member">
				<span class="mui-icon mui-icon-contact"></span>
				<span class="mui-tab-label">会员</span>
			</router-link>
			<router-link class="mui-tab-item1" to="/shopcar">
				<span class="mui-icon mui-icon-extra mui-icon-extra-cart"><span id="badge" class="mui-badge">{{$store.getters.getAllCount}}</span></span>
				<span class="mui-tab-label">购物车</span>
			</router-link>
			<router-link class="mui-tab-item1" to="/search">
				<span class="mui-icon mui-icon-search"></span>
				<span class="mui-tab-label">搜索</span>
			</router-link>
		</nav>

    
  </div>
</template>

<script>
export default {
	data(){
		return{
			flag:false,
		}
	},
	created(){
		this.flag = this.$route.path === "/home" ? false : true;
	},
	methods:{//点击后退
		goBack(){
			this.$router.go(-1);
		}
	},
	watch:{
		"$route.path":function(newVal){
			if(newVal === "/home"){
				this.flag = false;
			}else{
				this.flag = true;
			}
		}
	}
}
</script>


<style lang="scss" scoped>
.mint-header{
	z-index: 99;
}
  .app-container{
    padding-top: 40px;
		padding-bottom: 52px;
		overflow-x: hidden;//解决动画执行时宽度增加的溢出问题
  }

	.v-enter{//进入时动画
		opacity: 0;
		transform: translateX(100%);//从右边进入
	}
	.v-leave-to{//离开时动画
		opacity: 0;
		transform: translateX(-100%);//从左边离开
		position: absolute;//脱离文档流 解决占位的顿挫问题
	}
	.v-enter-active,//进入和离开的执行时间
	.v-leave-active{
		transition: all 0.5s ease;
	}


//改类名 解决Tabbar点击无法切换的问题
.mui-bar-tab .mui-tab-item1.mui-active{
	color: #007aff;
}
	.mui-bar-tab .mui-tab-item1 .mui-icon {
    top: 3px;
    width: 24px;
    height: 24px;
    padding-top: 0;
    padding-bottom: 0;
}
.mui-bar-tab .mui-tab-item1 {
    display: table-cell;
    overflow: hidden;
    width: 1%;
    height: 50px;
    text-align: center;
    vertical-align: middle;
    white-space: nowrap;
    text-overflow: ellipsis;
    color: #929292;
}
.mui-bar-tab .mui-tab-item1 .mui-icon~.mui-tab-label {
    font-size: 11px;
    display: block;
    overflow: hidden;
    text-overflow: ellipsis;
}
</style>
